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139938560770970 = 25132337325375533
BaseRepresentation
bin11111110100010111111100…
…001101001000001110011010
3200100110222212220111022210002
4133310113330031020032122
5121320223133024132340
61213342515355053002
741322140663331263
oct3764277415101632
9610428786438702
10139938560770970
1140652679401105
1213841044a41162
1360111c3a4b100
14267b0c363396a
15112a1ca745715
hex7f45fc34839a

139938560770970 has 96 divisors (see below), whose sum is σ = 273653071868592. Its totient is φ = 51499781738496.

The previous prime is 139938560770951. The next prime is 139938560771029. The reversal of 139938560770970 is 79077065839931.

It is a Cunningham number, because it is equal to 118295632+1.

It can be written as a sum of positive squares in 24 ways, for example, as 2637184371481 + 137301376399489 = 1623941^2 + 11717567^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1852643324 + ... + 1852718856.

Almost surely, 2139938560770970 is an apocalyptic number.

139938560770970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139938560770970 is a deficient number, since it is larger than the sum of its proper divisors (133714511097622).

139938560770970 is a wasteful number, since it uses less digits than its factorization.

139938560770970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79156 (or 79143 counting only the distinct ones).

The product of its (nonzero) digits is 540101520, while the sum is 74.

The spelling of 139938560770970 in words is "one hundred thirty-nine trillion, nine hundred thirty-eight billion, five hundred sixty million, seven hundred seventy thousand, nine hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 169 337 338 674 845 1685 1690 3253 3370 4381 6506 8762 16265 21905 32530 42289 43810 56953 75533 84578 113906 151066 211445 284765 377665 422890 549757 569530 755330 981929 1096261 1099514 1963858 2192522 2748785 4909645 5481305 5497570 9819290 10962610 12765077 14251393 25454621 25530154 28502786 50909242 63825385 71256965 127273105 127650770 142513930 185268109 245708849 254546210 330910073 370536218 491417698 661820146 926340545 1228544245 1654550365 1852681090 2457088490 3194215037 3309100730 4301830949 6388430074 8603661898 15971075185 21509154745 31942150370 41524795481 43018309490 82803882113 83049590962 165607764226 207623977405 414019410565 415247954810 828038821130 1076450467469 2152900934938 5382252337345 10764504674690 13993856077097 27987712154194 69969280385485 139938560770970